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Supernova Science Center
The Supernova Science Center (SNSC) was founded in 2001 to carry out theoretical and computational research leading to a better understanding of supernovae and related transients. The SNSC, a four-institutional collaboration, included scientists from LANL, LLNL, the University of Arizona (UA), and the University of California at Santa Cruz (UCSC). Intitially, the SNSC was funded for three years of operation, but in 2004 an opportunity was provided to submit a renewal proposal for two years. That proposal was funded and subsequently, at UCSC, a one year no-cost extension was granted. The total operational time of the SNSC was thus July 15, 2001 - July 15, 2007. This document summarizes the research and findings of the SNSC and provides a cummulative publication list.
Date:
May 5, 2008
Creator:
Woosley, S. E.
Object Type:
Report
System:
The UNT Digital Library
Suppression of Large Edge Localized Modes with Edge Resonant Magnetic Fields in High Confinement DIII-D Plasmas
None
Date:
May 5, 2005
Creator:
Evans, T. E.; Moyer, R. A.; Watkins, J. G.; Osborne, T. H.; Thomas, P. R.; Becoulet, M. et al.
Object Type:
Article
System:
The UNT Digital Library
Demonstration of Successful X-ray Thomson Scattering Using Picosecond K-(alpha) X-ray Sources for the Characterization of Dense Heated Matter
We discuss the first successful K-{alpha} x-ray Thomson scattering experiment from solid density plasmas for use as a diagnostic in determining the temperature, density, and ionization state of warm dense matter with picosecond resolution. The development of this source as a diagnostic and stringent requirements for successful K-{alpha} x-ray Thomson scattering are addressed. Data for the experimental techniques described in this paper [1] suggest the capability of single shot characterization of warm dense matter and the ability to use this scattering source at future Free Electron Lasers (FEL) where comparable scattering signal levels are predicted.
Date:
May 5, 2008
Creator:
Kritcher, A.; Neumayer, P.; Lee, H. J.; Doeppner, T.; Falcone, R.; Glenzer, S. et al.
Object Type:
Article
System:
The UNT Digital Library
RECENT BEAM MEASUREMENTS AND NEW INSTRUMENTATION AT THE ADVANCED LIGHT SOURCE
The Advanced Light Source (ALS) in Berkeley was the first of the soft x-ray third generation light source ever built, and since 1993 has been in continuous and successful operation serving a large community of users in the VUV and soft x-ray community. During these years the storage ring underwent through several important upgrades that allowed maintaining the performance of this veteran facility at the forefront. The ALS beam diagnostics and instrumentation have followed a similar path of innovation and upgrade and nowadays include most of the modem and last generation devices and technologies that are commercially available and used in the recently constructed third generation light sources. In this paper we will not focus on such already widely known systems, but we will concentrate our effort in the description of some measurements techniques, instrumentation and diagnostic systems specifically developed at the ALS and used during the last few years.
Date:
May 5, 2008
Creator:
Sannibale, Fernando; Baptiste, Kenneth; Barry, Walter; Chin, Michael; Filippetto, Daniele; Jaegerhofer, Lukas et al.
Object Type:
Article
System:
The UNT Digital Library
Supersymmetry and Superstring Phenomenology
We briefly cover the early history of supersymmetry, describe the relation of SUSY quantum field theories to superstring theories and explain why they are considered a likely tool to describe the phenomenology of high energy particle theory beyond the Standard Model.
Date:
May 5, 2008
Creator:
Gaillard, Mary K; Gaillard, Mary K. & Zumino, Bruno
Object Type:
Article
System:
The UNT Digital Library
Crack growth rates and metallographic examinations of Alloy 600 and Alloy 82/182 from field components and laboratory materials tested in PWR environments.
In light water reactors, components made of nickel-base alloys are susceptible to environmentally assisted cracking. This report summarizes the crack growth rate results and related metallography for field and laboratory-procured Alloy 600 and its weld alloys tested in pressurized water reactor (PWR) environments. The report also presents crack growth rate (CGR) results for a shielded-metal-arc weld of Alloy 182 in a simulated PWR environment as a function of temperature between 290 C and 350 C. These data were used to determine the activation energy for crack growth in Alloy 182 welds. The tests were performed by measuring the changes in the stress corrosion CGR as the temperatures were varied during the test. The difference in electrochemical potential between the specimen and the Ni/NiO line was maintained constant at each temperature by adjusting the hydrogen overpressure on the water supply tank. The CGR data as a function of temperature yielded activation energies of 252 kJ/mol for a double-J weld and 189 kJ/mol for a deep-groove weld. These values are in good agreement with the data reported in the literature. The data reported here and those in the literature suggest that the average activation energy for Alloy 182 welds is on the …
Date:
May 5, 2008
Creator:
Alexandreanu, B.; Chopra, O. K. & Shack, W. J.
Object Type:
Report
System:
The UNT Digital Library
Emerging Energy-Efficient Technologies for Industry
U.S. industry consumes approximately 37 percent of thenation's energy to produce 24 percent of the nation's GDP. Increasingly,society is confronted with the challenge of moving toward a cleaner, moresustainable path of production and consumption, while increasing globalcompetitiveness. Technology is essential in achieving these challenges.We report on a recent analysis of emerging energy-efficient technologiesfor industry, focusing on over 50 selected technologies. The technologiesare characterized with respect to energy efficiency, economics andenvironmental performance. This paper provides an overview of theresults, demonstrating that we are not running out of technologies toimprove energy efficiency, economic and environmental performance, andneither will we in the future. The study shows that many of thetechnologies have important non-energy benefits, ranging from reducedenvironmental impact to improved productivity, and reduced capital costscompared to current technologies.
Date:
May 5, 2005
Creator:
Worrell, Ernst; Martin, Nathan; Price, Lynn; Ruth, Michael; Elliot, Neal; Shipley, Anna et al.
Object Type:
Report
System:
The UNT Digital Library
Final Technical Report for “A Heliportable Sonic Drilling Platform for Microhole Drilling and Exploration”
The Phase I objectives were fully achieved the execution of a program that included the: • Development of a comprehensive model of the sonic drill technology and interaction of the dynamic drilling parameters with the impedance of the earth. • Operation and measurement of the sonic drilling process in the field at full scale. • Comparison of the analytical and experimental results to form an objective and quantified approach to describe the fundamental phenomena and to develop a methodology for automated control of the sonic drilling process. • Conceptual design of a modular sonic drilling system that can be transported to remote sites by helicopter. As a result, the feasibility of a commercially viable sonic drilling technology that can produce microholes up to 1,500 feet in depth, and that is field deployable to remote, environmentally sensitive sites via a helicopter, has been demonstrated.
Date:
May 5, 2008
Creator:
Lucon, Peter
Object Type:
Report
System:
The UNT Digital Library
Greensheet (Houston, Tex.), Vol. 36, No. 152, Ed. 1 Thursday, May 5, 2005
Free weekly newspaper that includes business and classified advertising.
Date:
May 5, 2005
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Greensheet (Houston, Tex.), Vol. 40, No. 157, Ed. 1 Tuesday, May 5, 2009
Free weekly newspaper that includes business and classified advertising.
Date:
May 5, 2009
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Greensheet (Houston, Tex.), Vol. 36, No. 153, Ed. 1 Thursday, May 5, 2005
Free weekly newspaper that includes business and classified advertising.
Date:
May 5, 2005
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Greensheet (Houston, Tex.), Vol. 40, No. 158, Ed. 1 Tuesday, May 5, 2009
Free weekly newspaper that includes business and classified advertising.
Date:
May 5, 2009
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Greensheet (Houston, Tex.), Vol. 37, No. 154, Ed. 1 Friday, May 5, 2006
Free weekly newspaper that includes business and classified advertising.
Date:
May 5, 2006
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Greensheet (Houston, Tex.), Vol. 37, No. 156, Ed. 1 Friday, May 5, 2006
Free weekly newspaper that includes business and classified advertising.
Date:
May 5, 2006
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Cherokeean Herald (Rusk, Tex.), Vol. 155, No. 11, Ed. 1 Wednesday, May 5, 2004
Weekly newspaper from Rusk, Texas that includes local, state and national news along with extensive advertising.
Date:
May 5, 2004
Creator:
Whitehead, Marie
Object Type:
Newspaper
System:
The Portal to Texas History
81st Texas Legislature, Senate Bill 90, Chapter 8
Bill introduced by the Texas Senate relating to adoption of the Interstate Compact on Educational Opportunity for Military Children.
Date:
May 5, 2009
Creator:
Texas. Legislature. Senate.
Object Type:
Legislative Document
System:
The Portal to Texas History
81st Texas Legislature, Senate Bill 997, Chapter 10
Bill introduced by the Texas Senate relating to the administration of and exemptions from the gas production tax.
Date:
May 5, 2009
Creator:
Texas. Legislature. Senate.
Object Type:
Legislative Document
System:
The Portal to Texas History
81st Texas Legislature, Senate Bill 346, Chapter 9
Bill introduced by the Texas Senate relating to information submitted to and maintained in the immunization registry after an individual becomes an adult.
Date:
May 5, 2009
Creator:
Texas. Legislature. Senate.
Object Type:
Legislative Document
System:
The Portal to Texas History
Texas Jewish Post (Fort Worth, Tex.), Vol. 59, No. 18, Ed. 1 Thursday, May 5, 2005
Weekly Jewish newspaper from Fort Worth, Texas that includes local, state and national news along with extensive advertising.
Date:
May 5, 2005
Creator:
Wisch, Rene
Object Type:
Newspaper
System:
The Portal to Texas History
The University News (Irving, Tex.), Vol. 33, No. 24, Ed. 1 Wednesday, May 5, 2004
Weekly student newspaper from the University of Dallas in Irving, Texas that includes campus news and commentaries along with advertising.
Date:
May 5, 2004
Creator:
Kuckelman, Meghan
Object Type:
Newspaper
System:
The Portal to Texas History
The University News (Irving, Tex.), Vol. 34, No. 24, Ed. 1 Tuesday, May 5, 2009
Weekly student newspaper from the University of Dallas in Irving, Texas that includes campus news and commentaries along with advertising.
Date:
May 5, 2009
Creator:
Tetzlaff, Mary
Object Type:
Newspaper
System:
The Portal to Texas History
79th Texas Legislature, Regular Session, House Concurrent Resolution 9
Concurrent resolution introduced by the Texas House of Representatives and Senate honoring Green Acres Baptist Church in Tyler on its 50th anniversary.
Date:
May 5, 2005
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
Dallas Voice (Dallas, Tex.), Vol. 22, No. 51, Ed. 1 Friday, May 5, 2006
Weekly newspaper from Dallas, Texas that includes local, state, and national news and advertising of interest to the Lesbian, Gay, Bisexual, and Transgender (LGBT) community.
Date:
May 5, 2006
Creator:
Vercher, Dennis
Object Type:
Newspaper
System:
The UNT Digital Library
The Bastrop Advertiser (Bastrop, Tex.), Vol. 154, No. 20, Ed. 1 Saturday, May 5, 2007
Semi-weekly newspaper from Bastrop, Texas that includes local, state and national news along with advertising.
Date:
May 5, 2007
Creator:
McAuley, Davis
Object Type:
Newspaper
System:
The Portal to Texas History